diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/java/JavaInfo.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/java/JavaInfo.java
index d23f5a46a..b39b4fd60 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/java/JavaInfo.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/java/JavaInfo.java
@@ -38,25 +38,23 @@ import java.nio.file.Path;
  * @author Glavo
  */
 public final class JavaInfo {
+
     public static int parseVersion(String version) {
+        int startIndex = version.startsWith("1.") ? 2 : 0;
+        int endIndex = startIndex;
+
+        while (endIndex < version.length()) {
+            char ch = version.charAt(endIndex);
+            if (ch >= '0' && ch <= '9')
+                endIndex++;
+            else
+                break;
+        }
+
         try {
-            int idx = version.indexOf('.');
-            if (idx < 0) {
-                idx = version.indexOf('u');
-                return idx > 0 ? Integer.parseInt(version.substring(0, idx)) : Integer.parseInt(version);
-            } else {
-                int major = Integer.parseInt(version.substring(0, idx));
-                if (major != 1) {
-                    return major;
-                } else {
-                    int idx2 = version.indexOf('.', idx + 1);
-                    if (idx2 < 0) {
-                        return -1;
-                    }
-                    return Integer.parseInt(version.substring(idx + 1, idx2));
-                }
-            }
-        } catch (NumberFormatException e) {
+            return endIndex > startIndex ? Integer.parseInt(version.substring(startIndex, endIndex)) : -1;
+        } catch (Throwable e) {
+            // The version number is too long
             return -1;
         }
     }
diff --git a/HMCLCore/src/test/java/org/jackhuang/hmcl/util/platform/JavaRuntimeTest.java b/HMCLCore/src/test/java/org/jackhuang/hmcl/util/platform/JavaRuntimeTest.java
index 00065986c..a4b2c9c87 100644
--- a/HMCLCore/src/test/java/org/jackhuang/hmcl/util/platform/JavaRuntimeTest.java
+++ b/HMCLCore/src/test/java/org/jackhuang/hmcl/util/platform/JavaRuntimeTest.java
@@ -12,7 +12,15 @@ public final class JavaRuntimeTest {
     @Test
     public void testParseVersion() {
         assertEquals(8, parseVersion("1.8.0_302"));
+        assertEquals(8, parseVersion("1.8-internal"));
         assertEquals(11, parseVersion("11"));
         assertEquals(11, parseVersion("11.0.12"));
+        assertEquals(11, parseVersion("11-internal"));
+        assertEquals(11, parseVersion("11+abc"));
+
+        assertEquals(-1, parseVersion("abc"));
+        assertEquals(-1, parseVersion("1."));
+        assertEquals(-1, parseVersion("1.-internal"));
+        assertEquals(-1, parseVersion(""));
     }
 }